6 Pk Credit Card Fresnel Lens Pocket Magnifier Ruler Emergency Solar Fire Starter -Compact Plastic Magnifying Glass for EDC Home Office Classroom Hobbies & Outdoor Survival Bushcraft MAGNIFICATION UP TO 4X - Great for reading menus in low light, viewing office spreadsheets and documents, reading ingredient labels in the market or viewing small objects associated with hobbies arts and crafts . Gives your vision an extra boost when you need it. RULER - A 3 inch Standard and 7.5 centimeter Metric ruler printed along the edges makes measuring smaller jobs quick and easy when a larger ruler just isn't needed. The ruler is a great tool for measuring distance on maps as well. FIRE STARTER - With direct sunlight you can use this fresnel lens to start a solar fire while camping or during emergencies. This is a skill that requires basic fire building knowledge and proper tinder preparation, with practice a fire can be accomplished in less than a minute. Makes a great item to have in your fire kit along with a firesteel waterproof matches tinder etc. A wilderness survival essential for bushcraft COMPACT - Thin, extremely light and flexible enough to fit in your wallet, purse, backpack, first aid kit or bugout bag. Keep one handy in multiple locations for quick use. HIGHLY VISIBLE PROTECTIVE CASE - Each lens comes with its own brightly colored protective pouch so it's easy to find when you need it, and with 6 per pack you can keep them in several locations and still have some left over to share with friends.